Okay... I found it. Here's the link for anyone else who may need this information to show to the FFL dealer to avoid any confusion...
http://www.atf.gov/forms/download/atf-f-4473.pdf
The pertinent section, as given by docpadds, is on page 5 under the heading "Question 20.c. Documentation For All Aliens".
And I just got the call to say my rifle has arrived...
