Generally, there are always governments behind such technologies. For example, StuxNet
I agree with this. If Russia or China created bitcoin they would be already showting about that from the rooftops. No need to keep in secret such great achievement if you've done it.
But if I were them I'd probably was spreading such rumors too.
Bitcoin was created not by special services, but by a group of programmers. And it could be people from any country. These people were not governmental, so bitcoin is not recognized at the legal level in many countries