Cryptology ePrint Archive: BibTeX Citation of Report 2015/926

@misc{cryptoeprint:2015:926,
    author = {Vadim N.Tsypyschev and Julia S.Vinogradova},
    title = {CRITERION OF MAXIMAL PERIOD OF A TRINOMIAL OVER NONTRIVIAL GALOIS RING OF ODD CHARACTERISTIC},
    howpublished = {Cryptology ePrint Archive, Report 2015/926},
    year = {2015},
    note = {\url{http://eprint.iacr.org/}},
}

You will need the url.sty package (comes with most LaTeX installations) for the last line. Otherwise, remove the \url command.