Maybe this will help you. You must first submit your site for a review: http://www.google.com/support/newspub/bin/answer.py?answer=40787
For other viewer information: you can apply on the link mentioned by massiva above, only if you have an html website i mean no rss feeds and after the review from Google team and your site should worth it to be listed in their like offering brake news on record time. hope this will help some one.
Also, if you're looking to get a press release into Google News, you can use a distribution service such as PRWeb.com.