The most basic answer is ... you can't.
The more detailed version can be found by -- here's a novel idea -- searching for it!
My take on it after scanning a couple of articles:
Unless the review in question somehow violates a law or Google's policies it stays. "You don't like it" or, "But it's negative" are not valid reasons for Google to pull the review.
So, zip up your mansuit, learn from this, and move on with life.