Be sure to link that page in your functions page
require_once(‘custom-register.php’)
cp_head(__('Register','cp'));
?>
<?php cp_show_errors($errors); ?>
<div class="alert alert"><a class="close" data-dismiss="alert">×</a><strong>Welcome: </strong>
<?php _e('Complete the fields below to become a member.', 'cp') ?>
</div>
<div class="alert alert-info"><a class="close" data-dismiss="alert">×</a><strong>Information: </strong>
<?php _e('Your password will be mailed to you so use valid email address.', 'cp') ?>
</div>
<div class="row">
<form class="loginform" name="registerform" id="registerform" action="<?php echo site_url('wp-login.php?action=register', 'login_post') ?>" method="post">
<div class="span4">
<label>Username</label>
<input class="input-xlarge focused" name="user_login" type="text" id="focusedInput" value="<?php echo attribute_escape(stripslashes($user_login)); ?>" />
</div>
<div class="span4">
<label>Email</label>
<input class="input-xlarge focused" name="user_email" type="email" id="focusedInput" value="<?php echo attribute_escape(stripslashes($user_email)); ?>" />
</div>
<div class="span4">
<?php do_action('register_form'); ?>
<input class="btn btn-success" name="wp-submit" value="Send" type="submit" style="height:52px; width:280px;" />
</div>
</form>
</div>
<?php cp_footer_div() ?>
Should give you an output like http://www.evo3dmovies.com/wp-login.php?action=register