%% You should probably cite draft-ietf-spring-segment-routing-msdc instead of this I-D.
@techreport{filsfils-spring-segment-routing-msdc-01,
    number =    {draft-filsfils-spring-segment-routing-msdc-01},
    type =      {Internet-Draft},
    institution =   {Internet Engineering Task Force},
    publisher = {Internet Engineering Task Force},
    note =      {Work in Progress},
    url =       {https://datatracker.ietf.org/doc/draft-filsfils-spring-segment-routing-msdc/01/},
    author =    {Clarence Filsfils and Stefano Previdi and Jon Mitchell and Benjamin Black and Dmitry Afanasiev and Saikat Ray and Keyur Patel},
    title =     {{BGP-Prefix Segment in large-scale data centers}},
    pagetotal = 15,
    year =      2015,
    month =     apr,
    day =       21,
    abstract =  {This document describes a practical use case where BGP segment routing can be used in a large-scale data center.},
}