%% You should probably cite rfc6723 instead of this I-D.
@techreport{ietf-pwe3-cbit-negotiation-03,
    number =    {draft-ietf-pwe3-cbit-negotiation-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-ietf-pwe3-cbit-negotiation/03/},
    author =    {Lizhong Jin and Raymond Key and Simon DeLord and Thomas Nadeau and Vishwas Manral and Sami Boutros and Reshad Rahman},
    title =     {{Pseudowire Control Word Negotiation Mechanism Update}},
    pagetotal = 8,
    year =      2012,
    month =     apr,
    day =       13,
    abstract =  {This document describes the problem of control word negotiation mechanism specified in {[}RFC4447{]}. Based on the problem analysis, a message exchanging mechanism is introduced to solve this control word negotiation issue. This document is to update {[}RFC4447{]} control word negotiation mechanism.},
}