Any standard method could be used as urine would not have any specific PCR inhibitors except for the salts, which will be removed during the process. The only thing that should be considered is to get enough biomass. It could easily be done with centrifugation. There are several commercial kits available if you are specifically interested in a kit based method.

Hello, easy simple and reliable method for DNA extraction is benzyl chloride method.

Methods for getting large DNA recovery from urine must be accompanied by large volume of urine which must be concentrated. Strong extraction kit like power water can then be used