%% You should probably cite draft-ietf-sshm-ssh-agent instead of this I-D.
@techreport{miller-ssh-agent-00,
    number =    {draft-miller-ssh-agent-00},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-miller-ssh-agent/00/},
    author =    {Damien Miller},
    title =     {{SSH Agent Protocol}},
    pagetotal = 17,
    year =      2016,
    month =     may,
    day =       24,
    abstract =  {This document describes a key agent protocol for use in the Secure Shell (SSH) protocol.},
}