Collins Russian Dictionary 2nd Edition © HarperCollins Publishers 2000, 1997:
protest [n ˈprəutɛst] [vb prəˈtɛst] n проте́ст
vi
to protest about/against протестова́ть (impf) по по́воду +gen/про́тив +gen
vt (insist)
to protest thatзаявля́ть (заяви́ть*perf), что
* is used to mark translations which have irregular inflections. The Russian-English side of the dictionary gives inflectional information.