%% You should probably cite draft-lz-lsr-igp-sr-service-segments-04 instead of this revision.
@techreport{lz-lsr-igp-sr-service-segments-02,
    number =    {draft-lz-lsr-igp-sr-service-segments-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-lz-lsr-igp-sr-service-segments/02/},
    author =    {Yao Liu and Zheng Zhang},
    title =     {{IGP Extensions for Segment Routing Service Segment}},
    pagetotal = 9,
    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 defines extensions to the link-state routing protocols (IS-IS and OSPF) in order to carry service segment information via IGP.},
}