Cryptology ePrint Archive: BibTeX Citation of Report 2010/030

@misc{cryptoeprint:2010:030,
    author = {Simon R. Blackburn and Douglas R. Stinson and Jalaj Upadhyay},
    title = {On the  Complexity of the Herding Attack and Some Related Attacks on Hash Functions},
    howpublished = {Cryptology ePrint Archive, Report 2010/030},
    year = {2010},
    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.