Hungary were awarded a surprise first-half penalty in a World Cup Qualifier against England, which ended 1-1 at Wembley.
Defender Luke Shaw had raised a foot as Nego closed down his attempted clearance in the penalty area.
Nego then went to ground dramatically, despite there appearing to be minimal contact.
Rice told ITV: "Look, when you put your foot up that high - the way he went down was a bit pathetic if I'm being honest, he's holding his head - if you put your foot up like that now it's a penalty but I'm going to say it's not."
On the performance, he added: "You can say it's poor because we drew the game but we dominated.
"Silly penalty to give away, had to keep our heads, keep playing but we just couldn't find that killing touch at the end to get the win.
"You sometimes have to give credit to how the opposition set-up.
"Hungary were much better than they were when we played them away."
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