Cryptology ePrint Archive: BibTeX Citation of Report 2005/193

@misc{cryptoeprint:2005:193,
    author = {Scott Contini and Arjen K. Lenstra and Ron Steinfeld},
    title = {VSH, an Efficient and Provable Collision Resistant Hash Function},
    howpublished = {Cryptology ePrint Archive, Report 2005/193},
    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.