Cryptology ePrint Archive: BibTeX Citation of Report 2011/032

@misc{cryptoeprint:2011:032,
    author = {Piotr Mroczkowski and Janusz Szmidt},
    title = {Corrigendum to: The Cube Attack on Stream Cipher Trivium and Quadraticity Tests},
    howpublished = {Cryptology ePrint Archive, Report 2011/032},
    year = {2011},
    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.