%% You should probably cite rfc2094 instead of this I-D.
@techreport{harney-gkmp-arch-01,
    number =    {draft-harney-gkmp-arch-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-harney-gkmp-arch/01/},
    author =    {Carl F. Muckenhirn and Hugh Harney},
    title =     {{Group Key Management Protocol (GKMP) Architecture}},
    pagetotal = 22,
    year =      1996,
    month =     aug,
    day =       23,
    abstract =  {This specification proposes a protocol to create grouped symmetric keys and distribute them amongst communicating peers. This memo defines an Experimental Protocol for the Internet community.},
}