Generate a mobile ad tag in DFP

The DFP Premium tag generator can automatically generate the HTML and JavaScript necessary to integrate one or more ad units on a page or application. Using the ad tag generator is optional, but generally easier and less error prone than manually rewriting code.
You also have the option of using simplified URL tags.

You don’t need to follow mobile-specific procedures to generate tags. Instead, use the Google Publisher Tag generator for both desktop and mobile devices; all Google Publisher Tags can be used for both mobile and desktop devices.