%% You should probably cite draft-ietf-dccp-udpencap instead of this I-D.
@techreport{phelan-dccp-natencap-03,
    number =    {draft-phelan-dccp-natencap-03},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-phelan-dccp-natencap/03/},
    author =    {Thomas R. Phelan},
    title =     {{Datagram Congestion Control Protocol (DCCP) Encapsulation for NAT Traversal (DCCP-NAT)}},
    pagetotal = 11,
    year =      2009,
    month =     nov,
    day =       18,
    abstract =  {This document specifies an alternative encapsulation of the Datagram Congestion Control Protocol (DCCP), referred to as DCCP-NAT. This encapsulation will allow DCCP to be carried through the current generation of Network Address Translation (NAT) middleboxes without modification of those middleboxes.},
}