You could do it this way . . .

2 people you can flip a coin                       2 to 12 people can roll dice

If you want a better way try . . .

 For owner-operators and companies with less than 30 drivers that choose to participate in a consortium, you might want to take a look at 

For companies with 30 or more drivers, CMS offers free Random Selection for full service clients.

For companies with 30 or more drivers that are unable (or choose not) to do in-house random selection, CMS provides a selection based on the company’s requirements from a list provided by the company. If the company employs more than 10 employees, CMS requires the list [last name], [first name], [social security number] and [Location (if required)] to be E-Mailed to: karin@corporatemedicalservices.com.