`archives.php` is a template file that WordPress will use by default (if it exists). If you want to create a custom page template you need to create a new template file in your theme. You can read all about it [in the Codex][1], but I'll provide an example below. Put this at the top of your new file:


    <?php
    /*
    Template Name: Your page template name goes here.
    */
    ?>


Then follow it with the custom code you need to display your data.

Then, when creating a new page that you would like to use the above template, you will see a drop-down list on the right that lists all the names of page templates you have in your theme.


  [1]: http://codex.wordpress.org/Page_Templates