%% You should probably cite rfc8454 instead of this I-D.
@techreport{ietf-teas-actn-info-model-02,
    number =    {draft-ietf-teas-actn-info-model-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-ietf-teas-actn-info-model/02/},
    author =    {Young Lee and Sergio Belotti and Dhruv Dhody and Daniele Ceccarelli and Bin Yeong Yoon},
    title =     {{Information Model for Abstraction and Control of TE Networks (ACTN)}},
    pagetotal = 26,
    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 draft provides an information model for Abstraction and Control of Traffic Engineered (TE) networks (ACTN).},
}