%% You should probably cite draft-ietf-pcp-anycast instead of this I-D.
@techreport{cheshire-pcp-anycast-02,
    number =    {draft-cheshire-pcp-anycast-02},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-cheshire-pcp-anycast/02/},
    author =    {Stuart Cheshire},
    title =     {{PCP Anycast Address}},
    pagetotal = 6,
    year =      2013,
    month =     jul,
    day =       14,
    abstract =  {The Port Control Protocol Anycast Address enables PCP clients to transmit messages to their closest on-path NAT, Firewall, or other middlebox, without having to learn the IP address of that middlebox via some external channel.},
}