%% You should probably cite rfc9059 instead of this I-D.
@techreport{ietf-pce-association-bidir-04,
    number =    {draft-ietf-pce-association-bidir-04},
    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-pce-association-bidir/04/},
    author =    {Rakesh Gandhi and Colby Barth and Bin Wen},
    title =     {{PCEP Extensions for Associated Bidirectional Label Switched Paths (LSPs)}},
    pagetotal = 19,
    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 =  {The Path Computation Element Communication Protocol (PCEP) provides mechanisms for Path Computation Elements (PCEs) to perform path computations in response to Path Computation Clients (PCCs) requests.},
}