You can use the Spectre Terminal in Mass Effect 3. Follow the simple steps below.

When the Council reinstate Commander Shepard as a Spectre, you’ll be given access to a private office directly across from the human embassy (Udina’s office).

Check back here regularly; throughout the game you’ll receive emails that you can respond to (square on PS3, X on Xbox 360) to get additional war assets, or side-missions, from.