Here's a woven ribbon pattern...it could be appliqued or pieced on a square of muslin or other fabric for more stability.
I've never seen a quilt made out of award ribbons...but why not try.
http://www.quilterscache.com/W/WovenRibbonsBlock.html
Or use the basket weave pattern at this link.
http://www.quilterscache.com/B/BasketWeaveBlock.html