Cryptology ePrint Archive: BibTeX Citation of Report 2005/068

@misc{cryptoeprint:2005:068,
    author = {Zhaneta Tasheva and Borislav Bedzhev and Borislav Stoyanov},
    title = {N-adic Summation-Shrinking Generator. Basic properties and empirical evidences.},
    howpublished = {Cryptology ePrint Archive, Report 2005/068},
    year = {2005},
    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.