@misc{cryptoeprint:2009:427,
    author = {Stephen R. Tate and Roopa Vishwanathan},
    title = {Improving Cut-and-Choose in Verifiable Encryption and Fair   Exchange Protocols using Trusted Computing Technology},
    howpublished = {Cryptology ePrint Archive, Report 2009/427},
    year = {2009},
    url = {http://eprint.iacr.org/2009/427},
}