Since it was paid in 2016, the IRS will expect it on your 2016 tax return. You report it in the same area as regular interest income. See the instructions below as it goes in the same area as bank interest. For the bank name, you can write US Department of Treasury.
What if I didn't get a 1099-INT from my bank?
https://ttlc.intuit.com/replies/4774384
