Translation of "Referee's" in Japanese

I glared briefly in the referee's direction but he was putting on a calm face while picking his nose. "Dammit, the fight's a fixup!?"

審判の方をちらりと睨むが、審判は涼しい顔して鼻クソをほじっていやがった。「ちくしょう、八百長かよ・・・」