In order to create a google web page, your organization should have an account. You can copy and paste the following url replaced with your organization name.
http://pages.google.com/a/yourOrganization.org
Click here to create an account with the help of this manual.
In the next page, set the settings of web page and then click on the publish button, so created page will be publish on the website. The screen looks like:
Following is the sample out put of created webpage:
