%% You should probably cite rfc4842 instead of this I-D.
@techreport{ietf-pwe3-sonet-14,
    number =    {draft-ietf-pwe3-sonet-14},
    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-sonet/14/},
    author =    {Prayson Pate and David Zelig and Ron Cohen and Andrew G. Malis},
    title =     {{Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP)}},
    pagetotal = 43,
    year =      2006,
    month =     dec,
    day =       28,
    abstract =  {This document provides encapsulation formats and semantics for emulating Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) circuits and services over MPLS. {[}STANDARDS-TRACK{]}},
}