WordPress Category Posts is a plugin for WordPress that creates a linked list of the posts in a specific category.
Released under the terms of the GNU GPL, version 2.
Copyright (c) 2005-2008 Watershed Studio, LLC
Insert this line in where you want to use it, substituting the number for the ID of category you want to display.
If you use a plugin like PHP Exec you can easily use the WP Category Posts plugin inside of a WordPress “page” to create a specific archive page.