The second way to sign up Google AdSense is through the Blogger.com site. This is because Blogger.com is owned by Google. The method is that you need to login to your Blogger.com account first at http://www.blogger.com.
Then at the Dashboard click [Monetize] and choose interface that you want to use to display your future ads and click [Next].
After that choose [Creat a New AdSense Account] and click [Next]. Then you need to fill the application form. If you already have AdSense Account, you can choose [ Use an Existing AdSense Account].
After that wait for mail from Google for conformation your registration and wait for result from Google, either your registration accepted or not .