@misc{cryptoeprint:2009:470,
    author = {Arpita Patra and Ashish Choudhary and C. Pandu Rangan},
    title = {On The Communication Complexity of Perfectly Secure Message Transmission in Directed Networks},
    howpublished = {Cryptology ePrint Archive, Report 2009/470},
    year = {2009},
    url = {http://eprint.iacr.org/2009/470},
}