%% You should probably cite rfc6240 instead of this I-D.
@techreport{ietf-pwe3-cep-mib-16,
    number =    {draft-ietf-pwe3-cep-mib-16},
    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-cep-mib/16/},
    author =    {Ron Cohen and David Zelig and Thomas Nadeau},
    title =     {{Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) Circuit Emulation over Packet (CEP) MIB Using SMIv2}},
    pagetotal = 67,
    year =      2011,
    month =     mar,
    day =       8,
    abstract =  {This memo defines a portion of the Management Information Base (MIB) for use with network management protocols in the Internet community. In particular, it describes managed objects for modeling Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH) circuits over a Packet Switch Network (PSN). {[}STANDARDS-TRACK{]}},
}