Auto Post Title is a plugin by thoughtlabllc and lellimecnar that adds an item to the Admin Settings menu called “Title Format.” Clicking on this link will give you an options page where you will find a text field for each post type that you have registered in WordPress, including Post and Page. In these text fields, you are able to use shortcodes to build a title format that will be used to generate the title of all posts of that type.
Download and configuration info: http://wordpress.org/extend/plugins/auto-post-title/
