Following is the General Template as per my knowledge:

Usecase id:
Usecase name:
Preconditions:
Actors(Inputs/Outputs):
Postconditions:
prototype:
Activity Flow Diagram:

Use case template:

Use case ID: Unique no or name

Use case description: The summary of corresponding functionality

Preconditions: Necessary things to do before start this
functionality

Required inputs: The list of inputs required in this
functionality

Event list: 

Events/Tasks                       Expected outcomes
''''
''''
Postconditions:  Necessary tasks to do after completion of
functionality

Activity Flow diagram: The diagramatic presentation of
functionality

Prototype: A model screen short to indicate functionality

Exceptions: Rules if any

Referenced usecases:  The list of other use cases related to
this functionality