%% You should probably cite rfc3740 instead of this I-D.
@techreport{ietf-msec-arch-05,
    number =    {draft-ietf-msec-arch-05},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-ietf-msec-arch/05/},
    author =    {Thomas Hardjono and Brian Weis},
    title =     {{The Multicast Group Security Architecture}},
    pagetotal = 26,
    year =      2004,
    month =     jan,
    day =       15,
    abstract =  {This document provides an overview and rationale of the multicast security architecture used to secure data packets of large multicast groups. The document begins by introducing a Multicast Security Reference Framework, and proceeds to identify the security services that may be part of a secure multicast solution. This memo provides information for the Internet community.},
}