Conference papers are uploaded via Openconf System which can be reached "Submission" link in the menu. After clicking "Make submission" link on Openconf page, you can upload your paper from the page that opens. On this page you can enter the title, author and content of your study. Abstract can be uploaded to system by copy-and-paste or typing directly into the system.
There is no writing rule or template for the abstract. But while sending the full paper, use the sample template please. You can download sample template here.