Yeah, it is all starting to sound too much like Jurasic Park scenario ;D however such scenario isn't science fiction at all as it seems

Yes, we have their genetic material, it's not science fiction today http://www.bbc.co.uk/news/technology-16068581 

The team claim that the cloning could be complete within the next five years. The success rate for such an experiment would be in the range of 1-5%