use custom field value as post category in loop

Nevermind.

Got it working with:

<?php
                    global $wp_query;

                    $paged = (get_query_var('paged')) ? get_query_var('paged') : 1;

                    $store_name = (get_post_meta($post->ID, 'store_name', true));

                    query_posts(array('posts_per_page' => '10','paged'=>$paged,'category_name'=>$store_name));
                ?>