Follow these steps:
1. Go here - Request a Project and follow the steps - http://www.java.net/request_project.csp
2. A community leader will see this request and if necessary, "re-parent" your new project appropriately to be part of the parent JUG project on java.net.
Detailed information about community objectives and projects on java.net can be found here: http://www.java.net/jugs/community-objectives