%% You should probably cite rfc8355 instead of this I-D.
@techreport{ietf-spring-resiliency-use-cases-12,
    number =    {draft-ietf-spring-resiliency-use-cases-12},
    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-spring-resiliency-use-cases/12/},
    author =    {Clarence Filsfils and Stefano Previdi and Bruno Decraene and Rob Shakir},
    title =     {{Resiliency Use Cases in Source Packet Routing in Networking (SPRING) Networks}},
    pagetotal = 13,
    year =      2017,
    month =     dec,
    day =       19,
    abstract =  {This document identifies and describes the requirements for a set of use cases related to Segment Routing network resiliency on Source Packet Routing in Networking (SPRING) networks.},
}