Cryptology ePrint Archive: BibTeX Citation of Report 2010/374

@misc{cryptoeprint:2010:374,
    author = {Zhen Liu and Zhenfu Cao and Duncan S. Wong},
    title = {Efficient Generation of Linear Secret Sharing Scheme Matrices from Threshold Access Trees},
    howpublished = {Cryptology ePrint Archive, Report 2010/374},
    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.