%% You should probably cite draft-schmutzer-pals-ple instead of this I-D.
@techreport{schmutzer-bess-ple-02,
    number =    {draft-schmutzer-bess-ple-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-schmutzer-bess-ple/02/},
    author =    {Steven Gringeri and Jeremy Whittaker and Nicolai Leymann and Christian Schmutzer and Luca Della Chiesa and Nagendra Kumar Nainar and Carlos Pignataro and Gerald Smallegange and Chris Brown and Faisal Dada},
    title =     {{Private Line Emulation over Packet Switched Networks}},
    pagetotal = 20,
    year =      ** No value found for 'doc.pub_date.year' **,
    month =     ** No value found for 'doc.pub_date' **,
    day =       ** No value found for 'doc.pub_date.day' **,
    abstract =  {This document describes a method for encapsulating high-speed bit- streams as virtual private wire services (VPWS) over packet switched networks (PSN) providing complete signal transport transparency.},
}