@misc{cryptoeprint:2011:106,
    author = {Hadi Ahmadi and Reihaneh Safavi-Naini},
    title = {Common Randomness and Secret Key Capacities of Two-way Channels},
    howpublished = {Cryptology ePrint Archive, Report 2011/106},
    year = {2011},
    url = {http://eprint.iacr.org/2011/106},
}