Fun checkmate in 2 brain teaser

White to move and checkmate in 2. No computer line please. How long does it take you to solve it? 🙂

8/8/N1n1n3/1N1k4/2n1n3/3N4/8/K2N4 w – – 0 1

(This is a chess composition. I forgot the name of the composer. I will list the name as soon as I can find it.)